Test Mode - Sharp XL-MP8H Service Manual

XL-MP8H

[2] TEST MODE

1. Turning on the test mode
Turning on the test mode
To turn on the specific test mode, press the ON/STAND-BY button, holding down the following two buttons in the ordinary stand-by mode (power off
state). In this case only the main unit button is valid. Even when the ON/STAND-BY of remote control button is set to on, the test mode is not turned
on.
[Ordinary test mode]
1. CD Test Mode (TEST 1).....................FUNCTION+Tuning Down
2. Tuner Test Mode (TEST 2).................FUNCTION+Preset Down
3. Volume Test Mode (TEST 3)...............FUNCTION+Tuning Up
4. Timer Test Mode (TEST 4)..................FUNCTION+Preset Up
5. Display Test Mode (TEST 5)...............FUNCTION+Bass/Treble
6. ALL KEY Test (TEST 6)......................MEMORY/SET+Tuning Up
7. Tuner clear test (TEST 7)...................MEMORY/SET+Preset Up
8. Soft reset test (TEST 8)......................MEMORY/SET+Preset Down
All test modes can be terminated by turning off the power with ON/STAND-BY key.
• CD test (TEST 1)
[cd step 1] Enter test mode.
↓ Hold down the "memory" button
[cd step 2] After some steps, the laser turns on.
↓ Hold down the "memory" button
[cd step 3] After some steps, focus search is per-
formed.
↓ Hold down the "memory" button
[cd step 4] After some steps, CLV rotation is per-
formed.
↓ Hold down the "memory" button
[cd step 5] CD playback starts.
↓ Hold down the "stop" button to return to [cd step 1] ––––––––
In step 5, hold down the AUX key on the remote control. The tracking servo is switched on/off.
From step 3, the pick up can be moved with the FF/REW key.
• Tuner test (TEST 2)
CH BAND
1 FM STEREO FM87.50 MHz
2 FM108.00 MHz
3 FM98.00 MHz
4 FM90.00 MHz
5 FM106.00 MHz
6 AM AM522 kHz
7 AM1620 kHz
8 AM990 kHz
9 AM603 kHz
10 AM AM1404 kHz
• VOLUME test (TEST 3)
Starting from level 23 (default), check all the levels (0 - 23 - MAX).
• TIMER test (TEST 4)
At 1:05, the power turns on to activate the tape function, and turns off after 90 seconds (equivalent to 90 minutes on the unit).
• Display test (TEST 5)
When test mode is activated, the entire display lights up. As the "PLAY" key is pressed, half of the display lights up alternately.
• ALL KEY test (TEST 6)
In the test mode, hold down all the buttons on the main unit and then press the "ON/STAND-BY"button. "OK" appears.
If only the "ON/STAND-BY" button is pressed, "ERROR" appears.
←––––––––—
FREQUENCY
2 – 2
A
A
CH BAND
11
⋅
⋅
35
36 FM MONO
37
38
39
40
FREQUENCY
——————
FM106.00 MHz
FM90.00 MHz
FM98.00 MHz
FM108.00 MHz
FM87.50 MHz